Fire resistant gypsum plasterboard

Plasterboard achieves its fire resistance because it is made from non-combustible material, commonly gypsum. A wall made from a 12 mm thickness of plasterboard which is adequately sealed at the joints will achieve 30 minutes fire resistance. The disadvantage of plasterboard is that it has little strength or load-bearing capacity. Its durability relies on the strength of its supporting structure (normally wooden or metal stud work) and its protection from mechanical damage. 

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